Abstract
A method for producing elemental boron nanoparticles with a size of less than 100 nm by ultrasonic dispersion in a liquid medium and subsequent cascade fractionation is described. The resulting boron nanoparticles were used as a target for boron neutron capture therapy (BNCT). According to the results of an experimental preclinical study of BNCT with the synthesized boron nanoparticles, neutron irradiation for 1 h of T98G human glioma cells pre-incubated in a medium with boron nanoparticles (10, 20, and 40 ppm in terms of boron-10 isotope) leads to a significant suppression of cell viability.
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ACKNOWLEDGMENTS
The authors are grateful to Corresponding Member of the RAS A.N. Ozerin for active discussion of the results of this study.
Funding
This work was supported by the Russian Science Foundation (project no. 19-72-30005) and Fundamental Scientific Research Program (project no. 0310-2019-0004), and also partly supported by a Grant-in-Aid for Scientific Research (B) [18H02909] from the Japanese Ministry of Education, Culture, Sports, Science, and Technology and by the Basic Research Support Program (Type A) in 2019 of University of Tsukuba, Japan.
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Translated by Z. Svitanko
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Uspenskii, S.A., Khaptakhanova, P.A., Zaboronok, A.A. et al. Elemental Boron Nanoparticles: Production by Ultrasonication in Aqueous Medium and Application in Boron Neutron Capture Therapy. Dokl Chem 491, 45–48 (2020). https://doi.org/10.1134/S0012500820030027
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DOI: https://doi.org/10.1134/S0012500820030027